Food versus intracranial self-stimulation reinforcement in food-deprived rats.
D000818:Animals; D004558:Electric Stimulation; D005502:Food; D006815:Hunger; D007031:Hypothalamus / Q000502:physiology*; D009042:Motivation; D051381:Rats; D012054:Reinforcement, Psychology; D012653:Self Stimulation; D013238:Stereotaxic Techniques